Cougar Mountain Trail Run Series #3 5K | 10.8 Mi | 19.5 Mi
July 11, 2026 @ 7:30 am - 2:00 pm
Hosted by Seattle Running Club and Northwest Trail Runs, the Cougar Mountain Trail Series supports King County Parks. The Cougar Mountain courses gradually get longer throughout the series. Run through a lush forest of fern-lined single-track trails.
July Event
5K, 10.8 Miles & 19.5 Miles
Races start: 9, cutoff is 2:30 PM; ~16:55/mile for the 19.5 mi
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